package com.neicun.test;

/**
 * Created by andy on 2016/11/10.
 */
public class BirthDate {
        private int day;
        private int month;
        private int year;

        public BirthDate(int d, int m, int y) {
            day = d;
            month = m;
            year = y;
        }

        public void setDay(int d) {
            day = d;
        }

        public void setMonth(int m) {
            month = m;
        }

        public void setYear(int y) {
            year = y;
        }

        public int getDay() {
            return day;
        }

        public int getMonth() {
            return month;
        }

        public int getYear() {
            return year;
        }

        public void display() {
            System.out.println
                    (day + " - " + month + " - " + year);
        }
    }


class Test{
        public static void main(String args[]){
            Test test = new Test();
            int date = 9;
            BirthDate d1= new BirthDate(7,7,1970);
            BirthDate d2= new BirthDate(1,1,2000);
            test.change1(date);
            test.change2(d1);
            test.change3(d2);
            System.out.println("date=" + date);
            d1.display();
            d2.display();
        }

        public void change1(int i){
            i = 1234;
        }

        public void change2(BirthDate b) {
            b = new BirthDate(22,2,2004);
        }

        public void change3(BirthDate b) {
            b.setDay(22);
        }
    }

